I see. Haven't had my lunch yet. Thanks for your help. Che
-----Original Message----- From: Adam Haskell [mailto:[EMAIL PROTECTED] Sent: Tuesday, November 30, 2004 12:23 PM To: CF-Talk Subject: Re: SQL Query question. Please help... Under your math you are assuming a 1 to 1 relationship between orders and Custromers. Unless you are running a scam, where no customer would ever by from you twice, that is not case, the whole reason you have 2 seperate tables. Hope thats makes sense. Adam H On Tue, 30 Nov 2004 12:18:23 -0500, Che Vilnonis <[EMAIL PROTECTED]> wrote: > Adam/Dov > > Using your query my recordcount is off. > > Actual # of customer ids from my customers table = 865. > Actual # of customer ids from my orders table = 596. > > Using your query, the difference = 335. > > 865 - 596 should = 269. What am I missing? Debug info is below. > > ----------------------------------------------------- > > getCustsFromCusts (Records=865, Time=0ms) > SQL = > SELECT CustID > FROM Customers > > getCustsFromOrders (Records=596, Time=15ms) > SQL = > SELECT CustID > FROM Orders > > getCustsNoOrder (Records=335, Time=16ms) > SQL = > SELECT CustID > FROM Customers > WHERE CustID NOT IN (Select CustID From Orders) > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Special thanks to the CF Community Suite Gold Sponsor - CFHosting.net http://www.cfhosting.net Message: http://www.houseoffusion.com/lists.cfm/link=i:4:185694 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
